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View Poll Results: What synthetic oil do you use
Mobil 1
45
75.00%
Mobil 1 Extended performance
6
10.00%
I can't answer because I use another brand
9
15.00%
Voters: 60. You may not vote on this poll

Mobil 1 or Mobil extended performance

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Old 01-16-2011, 09:05 AM
  #21  
tblt44
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Originally Posted by Geardo
I wouldn't use Mobil 1, go with Shell Rotella 5w-40 synthetic
I would not run 40 weight anything in the vette
Old 01-16-2011, 09:44 AM
  #22  
Larry/car
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Mobil 1 5W30 is all you need. Your engine will work fine and last a long time.
Old 01-16-2011, 09:53 AM
  #23  
Geardo
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Originally Posted by Larry/car
Mobil 1 5W30 is all you need. Your engine will work fine and last a long time.
Not a bad oil, it's just there are better choices, the 0w-40 Mobil 1 is a much better oil
Old 01-16-2011, 01:06 PM
  #24  
jabez
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I would use whatever was cheaper. Don't think there is too much difference in the two. I change oil between 5000-7000 anyways.
Old 04-07-2011, 05:20 PM
  #25  
stevette17
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t's possible they've tweaked the formulation since then, but in some UOA's done by Butler labs in 2005 on the 5W-30, the big differences are:
Boron - 251 EP vs 76
Calcium - 2822 EP vs 2380
Phos - 948 EP vs 678
Zinc - 1058 Ep vs 775
Old 04-07-2011, 05:29 PM
  #26  
dukeallen
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Which one tastes best on pie?
Old 04-08-2011, 08:57 AM
  #27  
proracr
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Mobil 1 in my '94! And yes, it is good on Corvette pie!
Old 04-08-2011, 09:08 AM
  #28  
VetteMed
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Originally Posted by Geardo
Not a bad oil, it's just there are better choices, the 0w-40 Mobil 1 is a much better oil
Documentation please.



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